John A. Ivy

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Olney, IL, US

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Patents Applicationslast 30 patents

Information Patent Application
Filter with combination valve having elongated openings in the end...
- Publication number 20070235375
- Publication date Oct 11, 2007
- Kent C. Stanhope
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter having anti-drainback valve and bypass valve
- Publication number 20070170101
- Publication date Jul 26, 2007
- Kent C. Stanhope
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL